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43 Cards in this Set

  • Front
  • Back

Neoplasia

development of abnormal growth

cancer

synonym for neoplasia;


development of abnormal growth

neoplasm

tumor;


not all cancerous

metastasis

establishment of secondary tumor growth;


thru blood or lymph

% of men & women at risk of developing cancer

men: 43


women: 38

breast cancer genetic risk factors

BRCA 1 & 2

Benign

grow slowly;


well differentiated-similar to tissue of origin;


localized;


nonfatal;


encapsulated

Malignant

grow rapidly;


poorly differentiated- very different from others;


not localized;


death possible

anaplasia

no differentiated cells;


complete loss of normal cell function

Pleomorphic

varied size and shape

carcinoma In Situ

not malignant;


non-invasive;


can go away on own

Process of carcinogenesis

Initiation, Promotion, Progression, Metastasis

Initiation

cells exposed to something causing change

promotion

chemical that promotes cell to continue change

Progression

all cells have changed into cancer cells & continue to promote, may form mass/tumor

Metastasis

break away from primary site;


Primary site invasion- cell detachment - dissemination - secondary site attachment - proliferation

Cell membrane changes

breakdown of: cell recognition, adhesion, communication

Oncongene

mutated forms of normal genes; promotes cell proliferation and survival (cheerleaders for cancer)

Tumor Supressor genes

inhibit cell proliferation; cell death or repair;


AKA: anti-oncongenes

angiogenesis

growth of new bv;


tumor larger than 1 mm in diameter

Papillomas

squamous and basal cells;


usually benign;


skin tissues, bv, vocal chords

adenomas

glandular;


usually benign;


pituitary, thyroid, prostate, breast

Polyps

papillomas or adenomas;


benign;


stem

carcinomas

malignant;


invasive;


basal cell carcinoma- skin

adenocarcinomas

glandular;


malignant;


kidney

Sarcomas

muscle-cell;


malignant

osteoma

bone;


benign

glioma

benign;


encapsulated - non invasive

glioblastoma, astrocytoma

malignant

lymphomas

lymph tissue

leukemia

blood-forming cells

Imaging

CAT scans, MRI, ultrasound

Biopsy

very long needle

TMN Classification

T: tumor


N: nodes


M: metastasis

Stage I

localized- tissue of origin

Stage II

locally advanced - limited to tissue of origin; local spread

Stage III

spread regionally- extensive local and regional spread

Stage IV

spread distantly (metastasized); spread to secondary site

Cachexia

loss of appetite, early satiety, weakness, inability to maintain weight, taste alterations, altered metabolism

leukopenia

low WBC

thrombocytopenia

low platelets

alopecia

hair loss

Vascular phase

mediators from plasma or cells